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题名:
Porous cellulose diacetate-SiO2 composite coating on polyethylene separator for high-performance lithium-ion battery
作者: Chen, WJ; Shi, LY; Wang, ZY; Zhu, JF; Yang, HJ; Mao, XF; Chi, MM; Sun, LN; Yuan, S
刊名: CARBOHYDRATE POLYMERS
出版日期: 2016
卷号: 147, 期号:-, 页码:517—524
关键词: POLYMER-COATED SEPARATOR ; ELECTROLYTE ; CELLS ; ENHANCEMENT ; NONWOVEN ; SAFETY ; LAYER
DOI: 10.1016/j.carbpol.2016.04.046
通讯作者: Wang, ZY ; Yuan, S (reprint author), Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China.
文章类型: 期刊文献
英文摘要: The developments of high-performance lithium ion battery are eager to the separators with high ionic conductivity and thermal stability. In this work, a new way to adjust the comprehensive properties of inorganic-organic composite separator was investigated. The cellulose diacetate (CDA)-SiO2 composite coating is beneficial for improving the electrolyte wettability and the thermal stability of separators. Interestingly, the pore structure of composite coating can be regulated by the weight ratio of SiO2 precursor tetraethoxysilane (TEOS) in the coating solution. The electronic performance of lithium ion batteries assembled with modified separators are improved compared with the pristine PE separator. When weight ratio of TEOS in the coating solution was 9.4%, the composite separator shows the best comprehensive performance. Compared with the pristine PE separator, its meltdown temperature and the break-elongation at elevated temperature increased. More importantly, the discharge capacity and the capacity retention improved significantly. (C) 2016 Elsevier Ltd. All rights reserved.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000376449300059
ISSN号: 0144-8617
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25805
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Chen, WJ,Shi, LY,Wang, ZY,et al. Porous cellulose diacetate-SiO2 composite coating on polyethylene separator for high-performance lithium-ion battery[J]. CARBOHYDRATE POLYMERS,2016-01-01,147(-):517—524.
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